QRP Labs QCX, Operating Instructions Manual

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5. Operation reference
“cheat sheet”
Main controls functions:
“Select” single press : Keyer speed
adjust, then “Select” again to select,
or “Exit” to cancel.
Double press : RIT adjust, then
“Select” again to select, or “Exit” to
cancel
Long press : Enter the configuration
menu (see below)
“Exit” single press : change VFO
mode: A, B, Split
Double press : Select frequency
preset. Then press “Select” (save
VFO to preset), “Exit” (load preset to
VFO) or “Rotary” (cancel)
Long press: swap VFO A and B
frequencies
Encoder turn : tuning, menu
selection, editing, etc
Encoder press : change tune rate
1kHz->500Hz->100Hz->10Hz
Encoder dbl or long press : choose
stored message. Then “Select” to
send repeatedly, “Rotary” to send
once, or “Exit” to cancel
Configuration menu items:
1 Preset
Preset 1 to Preset 16: Enter frequency
presets.
2 Messages
2.1 Interval: gap between message
transmissions, in seconds
2.2 Repeats : number of message
repeats, 1 to 99 or 0 means infinite
2.3 Message 1 to Message 12 :
Stored messages. First four are 100
characters, rest are 50 characters.
3 VFO
3.1 VFO mode : A, B or Split
3.2 VFO A : startup frequency
3.3 VFO B : startup frequency
3.4 Tune rate : startup rate, 1kHz,
500Hz, 100Hz or 10Hz
3.5 RIT : Receive incremental tuning
3.6 RIT rate : 1kHz to 1Hz
3.7 CW-R : Enable CW-R mode
3.8 CW offset : default offset (700Hz)
4 Keyer
4.1 Keyer mode : Straight, Iambic A/B,
Ultimatic
4.2 Keyer speed : in words per minute
4.3 Keyer swap : swap paddle inputs
4.4 Keyer weight : alter dit:space ratio
4.5 Auto space : enable keyer
autospacing (default OFF)
4.6 Semi QSK : Enable semi QSK
4.7 Practice : enable practice mode,
keys but no RF output
4.8 Sidetone frq : normally set to
same as CW offset (700Hz)
4.9 Sidetone vol : volume, 0 to 99
4.10 Strght mode : both/dip/ring
allows use of 3.5mm mono plug
5 Decoder
5.1 Noise blanker : period in ms
5.2 Speed Avg : for speed detection
5.3 Ampl. Avg : for ampl. detection
5.4 Enable Rx : enable Rx decoder
5.5 Enable Tx : enable Tx decoder
5.6 Enable Edit : enable CW
decoding during menu editing
(useful!)
5.7 VA enable VA prosign (not SK)
6 Beacon
6.1 Mode : OFF, CW WSPR, FSKCW
6.2 Frequency : beacon frequency
6.3 Frame : frame duration in minutes
6.4 Start : minutes past the hour to
start
6.5 WSPR call : Callsign to encode in
WSPR message
6.6 WSPR locator 4-character
Maidenhead square
6.7 WSPR power dBm power level to
encode in WSPR message
6.8 Set time : set real time clock
7 Other
7.1 Dbl click : dbl click delay time in
milliseconds (300)
7.2 Battery : enable battery icon on
the display top right
7.3 Batt . Full: set millivolts for a “full”
battery icon indication
7.4 Batt . set millivolts for each
battery bar step level in the icon
display
7.5 Cursor blink : Enable blinking
cursor
7.6 S-meter : enable S-meter display
on the screen
7.7 S-meter step : set value of each
S-meter bar (in amplitude units)
7.8 Custom splsh : enable custom
splash screen
7.9 Clock : enable real time clock
7.10 Delim .: set thousands delimiter
7.10 Backlight : enable QCX-mini
LCD module backlight LED
7.11 Factory rst. : Factory reset, if set
to value 17 – use with caution
8 Alignment
8.1 Alignment freq : frequency for
BPF alignment
8.2 I-Q balance freq : audio frequency
for I-Q balance adjustment (700Hz)
8.3 Phase adj Lo freq : audio freq for
low audio phase adj (600Hz)
8.4 Phase adj Hi freq : audio freq for
high audio phase adj (800Hz)
8.5 Ref. frq. : 27MHz synth reference
frequency used for synthesiser
8.6 System frq. : 20MHz system clock
frequency used for system timing
8.7 Peak BPF : do the actual BPF
peaking alignment
8.8 I-Q bal. : do the I-Q balance
adjustment
8.9 Phase Lo : do low audio phase
adjustment
8.10 Phase Hi : do high audio phase
adjustment
8.11 Cal ref. osc : do GPS calibration
of 27MHz osc if GPS is connected
8.12 Cal sys. osc : do GPS calibration
of 20MHz osc if GPS is connected
9 Test equipment
9.1 Voltage : measure voltage
9.2 RF Power : measure RF power
9.3 Audio Ch.0 : measure audio
channel 0 amplitude
9.4 Audio Ch.1 : measure audio
channel 1 amplitude
9.5 Frequency : measure frequency
9.6 Signal gen. : enable and adjust
signal generator output
Save settings! : save current VFO etc
settings to be the default on power up;
press “Select” to save, “Exit” to cancel
QCX operating manual, firmware 1.07, manual edit 0.03
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